The link function is given by any of the following alternatives: LINK=Identity (default in ERROR=Normal) LINK=Log (default in ERROR=Poisson) LINK=Logit (default in ERROR=Binomial) LINK=Reciprocal (default in ERROR=Gamma) LINK=Probit (N variable must be given) LINK=Complementary_log-log (N variable must be given) LINK=Square_root LINK=Exponent,alpha (x^alpha power transformation) E = ERROR specification G = More information on GENREG